LXR qemu/tests/libqos/ppc64

   1/*
   2 * libqos driver framework
   3 *
   4 * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License version 2 as published by the Free Software Foundation.
   9 *
  10 * This library is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 * Lesser General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU Lesser General Public
  16 * License along with this library; if not, see <http://www.gnu.org/licenses/>
  17 */
  18
  19 #include "qemu/osdep.h"
  20#include "libqtest.h"
  21#include "libqos/qgraph.h"
  22#include "pci-spapr.h"
  23#include "libqos/malloc-spapr.h"
  24
  25typedef struct QSPAPR_pci_host QSPAPR_pci_host;
  26typedef struct Qppc64_pseriesMachine Qppc64_pseriesMachine;
  27
  28struct QSPAPR_pci_host {
  29    QOSGraphObject obj;
  30    QPCIBusSPAPR pci;
  31};
  32
  33struct Qppc64_pseriesMachine {
  34    QOSGraphObject obj;
  35    QGuestAllocator alloc;
  36    QSPAPR_pci_host bridge;
  37};
  38
  39/* QSPAPR_pci_host */
  40
  41static QOSGraphObject *QSPAPR_host_get_device(void *obj, const char *device)
  42{
  43    QSPAPR_pci_host *host = obj;
  44    if (!g_strcmp0(device, "pci-bus-spapr")) {
  45        return &host->pci.obj;
  46    }
  47    fprintf(stderr, "%s not present in QSPAPR_pci_host\n", device);
  48    g_assert_not_reached();
  49}
  50
  51static void qos_create_QSPAPR_host(QSPAPR_pci_host *host,
  52                                   QTestState *qts,
  53                                   QGuestAllocator *alloc)
  54{
  55    host->obj.get_device = QSPAPR_host_get_device;
  56    qpci_init_spapr(&host->pci, qts, alloc);
  57}
  58
  59/* ppc64/pseries machine */
  60
  61static void spapr_destructor(QOSGraphObject *obj)
  62{
  63    Qppc64_pseriesMachine *machine = (Qppc64_pseriesMachine *) obj;
  64    alloc_destroy(&machine->alloc);
  65}
  66
  67static void *spapr_get_driver(void *object, const char *interface)
  68{
  69    Qppc64_pseriesMachine *machine = object;
  70    if (!g_strcmp0(interface, "memory")) {
  71        return &machine->alloc;
  72    }
  73
  74    fprintf(stderr, "%s not present in ppc64/pseries\n", interface);
  75    g_assert_not_reached();
  76}
  77
  78static QOSGraphObject *spapr_get_device(void *obj, const char *device)
  79{
  80    Qppc64_pseriesMachine *machine = obj;
  81    if (!g_strcmp0(device, "spapr-pci-host-bridge")) {
  82        return &machine->bridge.obj;
  83    }
  84
  85    fprintf(stderr, "%s not present in ppc64/pseries\n", device);
  86    g_assert_not_reached();
  87}
  88
  89static void *qos_create_machine_spapr(QTestState *qts)
  90{
  91    Qppc64_pseriesMachine *machine = g_new0(Qppc64_pseriesMachine, 1);
  92    machine->obj.get_device = spapr_get_device;
  93    machine->obj.get_driver = spapr_get_driver;
  94    machine->obj.destructor = spapr_destructor;
  95    spapr_alloc_init(&machine->alloc, qts, ALLOC_NO_FLAGS);
  96
  97    qos_create_QSPAPR_host(&machine->bridge, qts, &machine->alloc);
  98
  99    return &machine->obj;
 100}
 101
 102static void spapr_machine_register_nodes(void)
 103{
 104    qos_node_create_machine("ppc64/pseries", qos_create_machine_spapr);
 105    qos_node_create_driver("spapr-pci-host-bridge", NULL);
 106    qos_node_contains("ppc64/pseries", "spapr-pci-host-bridge", NULL);
 107    qos_node_contains("spapr-pci-host-bridge", "pci-bus-spapr", NULL);
 108}
 109
 110libqos_init(spapr_machine_register_nodes);
 111
 112